| Company | Timeline | Status | |
| Holdco2024 Limited Director • Retired Architect | 22 Jul 2024←1 Year 3 Months→Current | Active | |
| Estateways Limited Director • Retired | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| The BPT Woodlands Company Limited Director • Architect | 1 Dec 2004←10 Years→17 Apr 2015 | Dissolved | |
| Blackheath Preservation Trust Limited(The) Director • Architect | 12 Dec 2001←11 Years→21 Aug 2013 | Dissolved | |
